package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

/**
 * 菜品管理
 */
@RestController
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
@Slf4j
public class DishController {

    @Autowired
    private DishService dishService;

    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 新增菜品
     *
     * @param dishDTO
     * @return
     */
    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO) {
        log.info("新增菜品：{}", dishDTO);
        //数据发生变动时,清理redis缓存
        //这里时新增菜品所以增加缓存redis中的数据
        Long categoryId = dishDTO.getCategoryId();
        String key ="dish_"+categoryId;
        cleanCache(key);//定点清楚key


        dishService.saveWithFlavor(dishDTO);//后绪步骤开发
        return Result.success();
    }
    /*条件分页查询
    * */
    @GetMapping("/page")
    @ApiOperation("条件分页查询")
    public Result<PageResult> pageRequre(DishPageQueryDTO dishPageQueryDTO)
    {
        PageResult pageResult=dishService.pageRequre(dishPageQueryDTO);
        return Result.success(pageResult) ;
    }


    /*批量删除菜品*/
    @DeleteMapping
    @ApiOperation("批量删除菜品")
    public Result deleteDish(@RequestParam List<Long> ids)
    {
        //清理缓存,直接清理所有缓存,以dish_开头的都清理掉
        log.info("获取到ids集合:{}",ids);
        cleanCache("dish_*");
        dishService.deleteBatch(ids);
        return Result.success();
    }


    /*根据id查询菜品,用于修改页面回显*/
    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> select(@PathVariable Long id)
    {
        log.info("接收到要修改的id值:{}",id);
        DishVO dishVO=dishService.getByIdWithFlavor(id);
        return Result.success(dishVO);
    }

    /*修改菜品*/
    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO)
    {
        log.info("接收修改数据:{}",dishDTO);
        //清理缓存,直接清理所有缓存,以dish_开头的都清理掉
        cleanCache("dish_*");
        dishService.updateWithFlavor(dishDTO);
        return Result.success();
    }

    //根据分类id查询查询菜品
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> getSetmealById(Long categoryId)
    {
        log.info("接收到分类id:{}",categoryId);
        List<Dish> list=dishService.getSetmealById(categoryId);
        return Result.success(list);
    }

    //菜品的起售停售
    @PostMapping("/status/{status}")
    @ApiOperation("菜品起售停售")
    public Result dishStartOrStop(@PathVariable Integer status,Long id)
    {
        cleanCache("dish_*");
        log.info("接收到菜品起售or停售数据状态:{},菜品id为{}",status,id);
        dishService.setDishStatus(status,id);
        return Result.success();
    }


    //清除缓存
    private void cleanCache(String pattern)
    {
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }

}















